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Manual LoRaWAN CO
2
stoplicht
16
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Copyright
2021
Teneo
Sales
BV.
All rights reserved.
All information in this manual Is subject to change without further notice.
+31 (0)543 535 535
For example, at value 0x0753: is binary:
0
001 0001 0100 1101, last bit is
0
so:
0x0753 = decimal 1875: the temperature = 1875/100 = 18.75 degrees Celsius.
For example, at value 0xFCE0: is binary:
1
111 1100 1110 0000, last bit is
1
so:
0xFCE0 = decimal 64736: temperature = -(65536-64736)/100 = -8.00 degrees Celsius.
Measured Humidity:
Byte number
Length Description
8..9
2 Humidity
display
This byte shows the measured humidity display. To convert this to the actual value, this calculation must be
used:
Humidity %RH = Humidity display/100
For example, the display = 0x114D = 4429.
Humidity = 4429/100 = 44,29 %RH.
5.4. Downlinks
In order to change the settings of the node, downlinks can be sent to the node. As with the uplinks, the
FPort indicates what type of message it is, but no header needs to be sent.
The following downlinks can be sent:
FPort Message type
From version: Description
1
Period time
V1.10
Adjusts the time between two standard downlink
messages.
8
Air pressure
compensation
V1.30
An air pressure compensation for the CO
2
measurements, expressed in millibar.
9
Height compared to sea
level compensation
V1.30
The height of the CO
2
stoplicht specified for the
CO
2
sensor for compensation relative to the sea
level, expressed in meters.
10
Display temperature/
humidity
V1.30
Setting for displaying temperature, humidity or
both.
11
LED Borders
Green/Orange/Red
V1.10
Specify the limit values for when the red, orange,
and green LEDs should turn on/off.
12
Automatic and manual
calibration
V1.30
Turning the automatic calibration and/or manual
calibration function of the CO
2
sensor on/off.
13
Settings behavior
V1.10
Setting whether the LEDs should be used
In the table above, version indicates
from
which firmware version this downlink is incorporated into the CO
2
stoplicht. So when it says "V1.10" here, this means that this downlink can be used at all stoplichts with
V1.10 or newer. When "V1.30" is displayed here, this means that this downlink can be used at all stoplichts
with V1.30 or newer.
Содержание LoRaWAN CO2 stoplicht
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